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Specimen Collection Manual and Test Catalog

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RECOMBX(R) CAR (ANTI-RECOVERIN) AUTOANTIBODY TEST

Geisinger Epic Procedure Code:  LAB1938    Geisinger Epic ID:  43711

SPECIMEN COLLECTION
Specimen type: 

Serum or CSF


Preferred collection container: 
Alternate collection container: 
Sterile screw-cap tube
6 mL red-top (plain, non-serum separator) tube
Specimen required: 

2 mL serum (preferred) or CSF (also acceptable); minimum 0.5 mL.



SPECIMEN PROCESSING
Processing instructions: 

Centrifuge and aliquot serum within 48 hours of collection.


Transport temperature: 

Refrigerated.


Specimen stability: 

Room temperature: 72 hours. Refrigerated: 28 days. Frozen 28 days.


Rejection criteria: 

Stability limits exceeded.



TEST DETAILS
CPT code(s):  83520
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Automated Nanoliter Scale Immunoassay
Synonyms: 

Quest test code 4684, Athena test code 4684, CARRAB


Clinical significance: 

Anti-recoverin antibodies can be detected in patients with cancer-associated retinopathy (CAR). This semi-quantitative assay may be useful in monitoring therapeutic responses in select cases.


Review Date:  12/04/2024

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